/Engine/Source/Editor/GraphEditor/Public/BlueprintConnectionDrawingPolicy.h
Map of exec-pins to a pair of execution times (holds timing info for the owning-node, paired with a time of execution for the linked node)... only one timing-pair per pin because exec outputs can only connect to one node
typedef [TMap](API\Runtime\Core\Containers\TMap)< [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) *, [FTimePair](API\Editor\GraphEditor\FKismetConnectionDrawingPolicy\FTimePair) > FExecPairingMap